Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: a fix was made to avoid a Use-After-Free issue in f2fswriteendio. According to syzbot, a use-after-free issue occurred in f2fswriteendio. This issue is caused by the following race condition: Loop device Unmount Worker...

EUVD-2026-76684

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

DEBIAN-CVE-2026-23234

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fswriteendio As syzbot reported an use-after-free issue in f2fswriteendio. It is caused by below race condition: loop device umount - workerthread - loopprocesswork - doreqfilebacked - lorwaio -...

CVE-2026-23234 f2fs: fix to avoid UAF in f2fs_write_end_io()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fswriteendio As syzbot reported an use-after-free issue in f2fswriteendio. It is caused by below race condition: loop device umount - workerthread - loopprocesswork - doreqfilebacked - lorwaio -...

CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

UBUNTU-CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

PT-2026-6123

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a deadlock issue involving NFSv4.1 state recovery. The deadlock occurs when kthreadd attempts to reclaim memory by calling the nfs release folio function, which...

AZL-70831 CVE-2025-39779 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: subpage: keep TOWRITE tag until folio is cleaned btrfssubpagesetwriteback calls foliostartwriteback the first time a folio is written back, and it also clears the PAGECACHETAGTOWRITE tag even if there are still dirty block...

PT-2025-14289

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock issue in the Linux kernel's NFS component has been resolved. The problem occurred when the nfs release folio function called nfs wb folio from kcompactd, leading to a deadlock...

UBUNTU-CVE-2024-37078

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential kernel bug due to lack of writeback flag waiting Destructive writes to a block device on which nilfs2 is mounted can cause a kernel bug in the folio/page writeback start routine or writeback end routine...